Push QQ preflop?

[Bremen]

2nd 20+2 tourney (my first I busted out with QQ on the first hand) I normally don't limp/reraise, my earlier bust probably caused me to be too timid [img]/images/graemlins/confused.gif[/img] But with all the chips on the table I couldn't think anything but a push would be correct.

Party Poker No-Limit Hold'em Tourney, Big Blind is t15 (10 handed) converter

SB (t1155)
BB (t800)
UTG (t800)
UTG+1 (t860)
UTG+2 (t740)
MP1 (t530)
MP2 (t770)
Hero (t755)
CO (t820)
Button (t770)

Preflop: Hero is MP3 with Q[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/spade.gif[/img].
<font color="666666">3 folds</font>, MP1 calls t15, MP2 calls t15, Hero calls t15, CO calls t15, <font color="CC3333">Button raises to t65</font>, <font color="666666">1 fold</font>, BB calls t50, MP1 calls t50, MP2 calls t50, <font color="CC3333">Hero raises to t755 (All-In)</font>, CO folds, <font color="CC3333">Button raises to t770 (All-In)</font>, BB calls t705, MP1 folds, MP2 folds.

Flop: (t2450) J[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/club.gif[/img] <font color="blue">(3 players, 2 all-in)</font>

Turn: (t2450) 6[img]/images/graemlins/club.gif[/img] <font color="blue">(3 players, 2 all-in)</font>

River: (t2450) 7[img]/images/graemlins/diamond.gif[/img] <font color="blue">(3 players, 2 all-in)</font>

Final Pot: t2450

Results in white below: <font color="white">
BB has Td Kh (high card, ace).
Hero has Qc Qs (one pair, queens).
Button has Kc Ks (one pair, kings).
Outcome: Button wins t2450. </font>