($5.50) AQo Facing Push from Big Stack

[dpbuck]

Unfortunately, not much of a read on villan. He doubled up early with AA vs. QQ, and has sort of flown under the radar since.

PokerStars Tournament, Big Blind is t150 (6 handed) Converter on pregopoker.com

UTG (t575)
Hero (t2190)
CO (t2055)
Button (t2305)
SB (t2835)
BB (t3540)

Preflop: Hero is in UTG+1 with A[img]/images/graemlins/spade.gif[/img] Q[img]/images/graemlins/club.gif[/img]
<font color="gray">UTG folds</font>, <font color="red">Hero raises to t400</font>, <font color="gray">CO folds</font>, <font color="gray">Button folds</font>, <font color="gray">SB folds</font>, <font color="red">BB raises to t3150</font>, Hero calls t1790 (All-in)

I almost folded. What do you guys think?
(BTW, can SNGPT figure out if I should call here based on a range?)