2 rather interesting spots today

Hand1:
Villain is running at 30/7/1. He's l/c from the SB before with QQ. And I wasn't quite sure what to take the overbet as apart from the fact that he's prolly gonna be putting all his money in on a future street.

Party Poker No-Limit Hold'em, $0.04 BB (5 handed) - Party-Poker Converter Tool from FlopTurnRiver.com

UTG ($3.10)
MP ($5.08)
SB ($2.39)
Button ($4.31)
Hero (BB) ($9.48)

Preflop: Hero is BB with ,
3 folds, SB calls $0.02, Hero bets $0.16, SB calls $0.16

Flop: ($0.40) , , (2 players)
SB bets $0.80,
Hero??

Hand 2: I think I played this hand pretty horrible... Villain is 73/17/1.13 and I dunno whether he has any idea of what he's doing but he sure got me confused here...

Party Poker No-Limit Hold'em, $0.04 BB (5 handed) - Party-Poker Converter Tool from FlopTurnRiver.com

SB ($5.62)
BB ($5.47)
UTG ($7.72)
Button ($0.78)
Hero (MP) ($6.63)

Preflop: Hero is MP with ,
1 fold, Hero bets $0.16, 1 fold, SB calls $0.14, 1 fold

Flop: ($0.36) , , (2 players)
SB bets $0.35, Hero calls $0.35

Turn: ($1.06) (2 players)
SB bets $1.01, Hero calls $1.01

River: ($3.08) (2 players)
SB bets $2.93, Hero folds

Total pot: $3.08

Hand 1: Personally I'm folding. I'm not sure what his holding could be and I'm far from committed to this pot. When in doubt and small pot, I fold.

in hand 1 I ship it in
this bet sizing polarizes his range to nuts and draws
his nuts are: {JJ+, 33, 44, 34}
draws are: {XcYc, 56, A5, A2}

doesn't seem like I'm in trouble that much and he pretty much has to call a shove with a draw so we're getting it in OK
I'd like a read on his post-flop play, I'd fold if he were a passive fish
AF of 1 doesn't really say anything it could be anything between 0.6 and 1.4

i'm interested to hear people's thoughts on hand 1. I know that i fold in this situation, but i hate just assuming that i should give donk bet credit (if it were three cards below ten i'm either calling or even raising as a bluff if it weren't 2x the pot).
hand 2 i'm probably not betting the full pot on flop in turn, if for no other reason, then to merge with my Cbetting range. because the board is double-suited on the turn, it's definitely +EV to bet out again, so i don't think you played it horribly.