been on a downturn, advice please?

[beef1020]

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

UTG (t3095)
UTG+1 (t1445)
CO (t550)
Hero (t1600)
SB (t4300)
BB (t2510)

Preflop: Hero is in Button with 9[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/diamond.gif[/img]
<font color="gray">UTG folds</font>, <font color="gray">UTG+1 folds</font>, <font color="gray">CO folds</font>, <font color="red">Hero raises to t450</font>, SB calls t375, <font color="gray">BB folds</font>

Flop: (t1050) 2[img]/images/graemlins/spade.gif[/img] 8[img]/images/graemlins/club.gif[/img] T[img]/images/graemlins/spade.gif[/img] (2 players)
SB checks, <font color="red">Hero bets t1150 (All-in)</font>, SB calls t1150

Turn: (t3350) 4[img]/images/graemlins/spade.gif[/img] (2 players)


River: (t3350) 4[img]/images/graemlins/diamond.gif[/img] (2 players)


How about pushing preflop or should I just fold? I hate the way I played it.