QQ vs. ridiculous overbet

[nath]

PS 11r $45k. Not long after first break. No reads on villain at the time.

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

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

BB (t2363)
UTG (t6350)
UTG+1 (t5892)
MP1 (t12255)
MP2 (t9000)
MP3 (t5290)
CO (t3275)
Hero (t7580)
SB (t6140)

Preflop: Hero is Button with Q[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/heart.gif[/img].
<font color="#666666">3 folds</font>, MP2 calls t150, <font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to t600</font>, SB calls t525, <font color="#666666">1 fold</font>, <font color="#CC3333">MP2 raises to t9000</font>, Hero...?