25NL: Runner runner boat faces all in shove

[coordi]

Villain is unknown. With the action leading up to this, he either flopped set and slowplayed it to death, or he has AQ. So only AQ beats me here right?? Easty call?

PokerStars No-Limit Hold'em, $0.25 BB (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

UTG+1 ($8.65)
MP1 ($25.35)
MP2 ($14.65)
MP3 ($25)
CO ($27.65)
Button ($7.60)
Hero ($26.40)
BB ($14.25)
UTG ($15.20)

Preflop: Hero is SB with 2[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/diamond.gif[/img]. MP3 posts a blind of $0.25.
<font color="#666666">4 folds</font>, MP3 (poster) checks, <font color="#CC3333">CO raises to $1</font>, <font color="#666666">1 fold</font>, Hero calls $0.90, <font color="#666666">1 fold</font>, MP3 folds.

Flop: ($2.50) Q[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, CO checks.

Turn: ($2.50) 2[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $2</font>, CO calls $2.

River: ($6.50) A[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $4.5</font>, <font color="#CC3333">CO raises to $24.65</font>, Hero ?