I might just be looking for validation of my decisions here, but I figure I'd open it up to you more experienced players to see what you think.

So I played a hand today at a table which contained only players I had never encountered. My general approach when there are more than a couple of such players has been to wait at least one orbit before entering any pot, unless I have a premium hand. In this case, I picked up QQ on my first hand and this is how it played out (PKR hand history - no converter)

Blinds are now $0.02 / $0.04
Seat 1: geraldge07 - $1.56
Seat 3: mitchclarke - $0 (away from table)
Seat 4: ravz18 - $3.88
Seat 5: michael0105 - $6.35
Seat 7: TheTouch - $1.90
Seat 10: Judmann - $2.08

-----------------------------------------
Moving Button to seat 7
Judmann posts small blind ($0.02)
geraldge07 posts big blind ($0.04)

---------------- PREFLOP ----------------
[Q s][Q h] to TheTouch
ravz18 calls $0.04
michael0105 calls $0.04
TheTouch raises to $0.24
Judmann folds
geraldge07 folds
ravz18 folds
michael0105 calls $0.24
Pot sizes: $0.58

---------------- FLOP ----------------
[T s][8 d][3 d]
michael0105 bets $0.58
TheTouch calls $0.58
Pot sizes: $1.74

---------------- TURN ----------------
[9 s]
michael0105 bets $1.74
TheTouch folds
Pot sizes: $1.74
Taking Rake of $0.17 from pot 1
michael0105 doesn't show
michael0105 wins $1.57


My thinking process essentially went like this:

Flop: He has bet pot, but I have an overpair, which is generally going to be the best hand at this point in time. He initially only wanted to limp in from late position (though this is hardly abnormal at 4NL), and the general odds of the villain having a set are low. He could also be trying to steal the pot with air or a drawing hand by betting first to reduce my pot odds, so I suspect his range is wide enough for me to call the bet on the flop to get more info from his turn behaviour.

Turn: He again bets pot, almost without hesitation. I'm now convinced he has hit his set, or at least two pair, because double-barrelling like this is so rare at this stake level, and the odds of me drawing my own set or adding the 2nd pair (which could give him a full house if I happen to hit one of his own pairs) is too low compared to the pot odds, so it's time to fold.

My questions are simple:

1) With no prior reads or information of any kind on the villain, what are you thinking when you see a PSB on the flop, after limp/calling your 6bb pre-flop raise at microstakes?
2) What would be your default read of the followup aggression on the turn.
3) Is there anything glaringly obvious that would do differently in this situation?

For me this is a higher-than-average amount of money/BBs to lose on one hand, and I'd like to make sure than when these situations come up again, I'm making the right decisions for the right reasons. If I'm doing something wrong, then it's best to find out before I do it 30 more times and lose my bankroll. Obviously the optimal situation would be to have reliable stats on every opponent, but that will only come with time. I'm currently less than 3,000 hands into to my real money 'career' at the microstakes.