I figured this guy had a weak hand and decided to just call to see what he did next. Turns out he had overs just like me, except he had a queen with a weaker kicker! When a queen showed on the turn, I stacked him!

Party Poker No-Limit Hold'em, $ BB (6 max, 6 handed) FTR converter on zerodivide.cx

MP ($76.68)
CO ($72.77)
Hero ($217.10)
SB ($188)
BB ($199.80)
UTG ($120.62)

Preflop: Hero is Button with A, Q. SB posts a blind of $1.
2 folds, CO raises to $6, Hero calls $6, SB (poster) calls $5, 1 fold.

Flop: ($20) 7, 3, 3 (3 players)
SB checks, CO bets $9, Hero calls $9, SB folds.

Turn: ($38) Q (2 players)
CO bets $15, Hero raises to $40, CO raises all-in, Hero calls $17.77.

River: ($150.54) A (2 players)

Final Pot: $150.54

Results in white below:
CO has Qs Tc (two pair, queens and threes).
Hero has As Qh (two pair, aces and queens).
Outcome: Hero wins $150.54.