Please help . . . AQ in BB on the bubble

[Taraz]

This was a real weird hand. I was planning on pushing or folding on the flop, but the 9TJ board really messed with me. I figured I had odds to call t400 into the t1200 pot, but I probably should have pushed or folded there. Thoughts?

Party Poker No-Limit Hold'em Tourney, Big Blind is t100 (6 handed) converter (http://www.selachian.com/tools/bisonconverter/hhconverter.cgi)

SB (t2083)
Hero (t1311)
UTG (t1675)
MP (t880)
CO (t1100)
Button (t951)

Preflop: Hero is BB with A/images/graemlins/spade.gif, Q/images/graemlins/diamond.gif.
<font color="#CC3333">UTG raises to t400</font>, MP calls t400, <font color="#666666">3 folds</font>, Hero calls t300.

Flop: (t1250) 9/images/graemlins/spade.gif, J/images/graemlins/club.gif, T/images/graemlins/diamond.gif <font color="#0000FF">(3 players)</font>
Hero checks, <font color="#CC3333">UTG bets t200</font>, <font color="#CC3333">MP raises to t400</font>, Hero calls t400, UTG calls [t1075] t200, MP calls [t80] t400, Hero calls [t611] t400.

Turn: (t2250) A/images/graemlins/heart.gif <font color="#0000FF">(3 players)</font>

River: (t2250) T/images/graemlins/club.gif <font color="#0000FF">(3 players)</font>

Final Pot: t2250

[wuwei]

Preflop, did you stop and consider a couple things?

1. What range of hands would this player make a 3xBB raise UTG?

2. An all in confrontation between UTG and MP seems quite likely due to MP calling off half his stack and UTG clearly liking his own hand.