I bet weakish on the turn to try and look worried about the flush/flush draw and get a call. When he put me AI I was worried about A8/7 or 33/77/88... but I think the guy was capable of pushing as a bluff over my 'weak' bet. No point putting my stack on that, right?.

PokerStars No-Limit Hold'em, $0.25 BB (9 handed) FTR converter on zerodivide.cx

UTG ($21.95)
UTG+1 ($30.65)
MP1 ($10.45)
MP2 ($11.85)
MP3 ($25)
CO ($26.10)
Button ($29.10)
Hero ($27.15)
BB ($20)

Preflop: Hero is SB with A, K.
4 folds, MP3 calls $0.25, 1 fold, Button calls $0.25, Hero raises to $0.75, 1 fold, MP3 calls $0.50, Button calls $0.50.

Flop: ($2.50) 3, 8, A (3 players)
Hero bets $2.5, MP3 folds, Button calls $2.50.

Turn: ($7.50) 7 (2 players)
Hero bets $4.5, Button raises to $25.85, Hero folds.

Final Pot: $37.85