Stars 22R AA heads up after limp UTG - bad turn

No real reads, I have a TA image, haven't shown down much of anything at this table.


PokerStars No-Limit Hold'em Tourney, Big Blind is t150 (9 handed) converter

saw flop|<font color="#C00000">saw showdown</font>

MP2 (t11415)
MP3 (t4950)
CO (t10400)
Button (t6400)
SB (t4475)
BB (t25770)
Hero (t13430)
UTG+1 (t4475)
MP1 (t5705)

Preflop: Hero is UTG with A[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/club.gif[/img].
Hero calls t150, <font color="#666666">2 folds</font>, <font color="#CC3333">MP2 raises to t450</font>, <font color="#666666">5 folds</font>, Hero calls t300.

Flop: (t1125) 2[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/heart.gif[/img], 2[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">MP2 bets t600</font>, <font color="#CC3333">Hero raises to t1800</font>, MP2 calls t1200.

Turn: (t4725) J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>

Hero ???