($5.50) AK-I have to push, right?

Early on in a PS's $5.50, I have to push here right? I know, raise more pre flop, to say t250. Both are normal donkey, loose players who are pretty terrible.

PokerStars No-Limit Hold'em Tourney, Big Blind is t30 (9 handed) converter (http://www.selachian.com/tools/bisonconverter/hhconverter.cgi)

BB (t1870)
UTG (t720)
UTG+1 (t1415)
MP1 (t1160)
MP2 (t995)
Hero (t1375)
CO (t6405)
Button (t1730)
SB (t1610)

Preflop: Hero is MP3 with A/images/graemlins/heart.gif, K/images/graemlins/spade.gif.
UTG calls t30, <font color="#666666">1 fold</font>, MP1 calls t30, MP2 calls t30, <font color="#CC3333">Hero raises to t160</font>, <font color="#666666">4 folds</font>, UTG calls t130, MP1 calls t130, MP2 calls t130.

Flop: (t685) 3/images/graemlins/heart.gif, A/images/graemlins/diamond.gif, J/images/graemlins/diamond.gif <font color="#0000FF">(4 players)</font>
<font color="#CC3333">UTG bets t560 (All-In)</font>, MP1 folds, MP2 calls t560, <font color="#CC3333">Hero raises to t1120</font>, MP2 calls t275 (All-In).

Turn: (t3200) 2/images/graemlins/heart.gif <font color="#0000FF">(3 players, 2 all-in)</font>

River: (t3200) T/images/graemlins/club.gif <font color="#0000FF">(3 players, 2 all-in)</font>

Final Pot: t3200