Stars 30+3 bvb bubble AQ big stack vs big stack

[rubenrtv]

No history with villain. I have been playing tight, accumulating chips with good hands. Have not been caught on a steal or a bluff yet.

My current position is 3/21. 18 paid.

PokerStars No-Limit Hold'em Tourney, Big Blind is t400 (7 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

MP2 (t8395)
CO (t3647)
Button (t18290)
SB (t16942)
Hero (t18780)
UTG (t17273)
MP1 (t18451)

Preflop: Hero is BB with Q[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/heart.gif[/img].
<font color="#666666">5 folds</font>, <font color="#CC3333">SB raises to t1200</font>, <font color="#CC3333">Hero raises to t3800</font>, <font color="#CC3333">SB raises to t16917</font>, Hero ?