50 NL - AQ hits an ace on the flop, nasty river

[JPeezy55]

I'm running 15/12 with a poor table image (won only 38% of SD's this session). No reads.

Thoughts on all streets appreciated. Thanks.

PokerStars No-Limit Hold'em, $0.50 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Button ($40.30)
Hero ($68.20)
BB ($50)
UTG ($148.95)
MP ($57.75)
CO ($34)

Preflop: Hero is SB with A[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/club.gif[/img].
<font color="#666666">3 folds</font>, Button calls $0.50, <font color="#CC3333">Hero raises to $2.5</font>, <font color="#666666">1 fold</font>, Button calls $2.

Flop: ($5.50) K[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $4</font>, Button calls $4.

Turn: ($13.50) 6[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $10</font>, Button calls $10.

River: ($33.50) T[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets $23.8 (All-In)</font>, Hero folds.

[Ranma4703]

Raise less preflop or more - SPR is important to consider when OOP. I'm fine with folding that river.