$16 - QQ facing push over reraise

[mattiesmat]

Initial raiser was unknown.
The pusher is a winning reg, who I have played with before.

PokerStars No-Limit Hold'em Tourney, Big Blind is t20 (9 handed) by Hand Converter CG

CO (t1500)
Button (t1490)
SB (t1400)
BB (t1500)
UTG (t1610)
UTG+1 (t1500)
MP1 (t1500)
Hero (t1500)
MP3 (t1500)

Preflop: Hero is MP2 with Q[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/heart.gif[/img].
<font color="#CC3333">UTG raises to t100</font>, <font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to t300</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">CO raises to t1500</font>, <font color="#666666">3 folds</font>, UTG folds, Hero ??