50NL is this an AI situation?

[pokahpaul]

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

Button ($96.30)
Hero ($50.90)
BB ($51.05)
UTG ($26.25)
MP ($124.40)
CO ($50.15)

Preflop: Hero is SB with A[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/diamond.gif[/img].
UTG calls $0.50, MP calls $0.50, <font color="#666666">1 fold</font>, Button calls $0.50, <font color="#CC3333">Hero raises to $3.5</font>, <font color="#666666">1 fold</font>, UTG calls $3, MP calls $3, Button calls $3.

Flop: ($14.50) 2[img]/images/graemlins/heart.gif[/img], 5[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">Hero bets $10</font>, UTG folds, <font color="#CC3333">MP raises to $32.5</font>, Button folds, <font color="#CC3333">Hero ???</font>

no reads on villain, seems solid