Time to make a stand?

[Robbie01]

Ok i know this was risky but thought id take a shot because the UTG raise felt weak any comments?

PokerStars Tournament, Big Blind is t100 (9 handed) Converter on pregopoker.com

UTG (t5490)
UTG+1 (t2715)
MP1 (t1700)
MP2 (t3190)
MP3 (t1470)
CO (t2685)
Button (t2460)
Hero (t1545)
BB (t4540)

Preflop: Hero is in SB with A[img]/images/graemlins/club.gif[/img] J[img]/images/graemlins/club.gif[/img]
<font color="red">UTG raises to t300</font>, <font color="gray">UTG+1 folds</font>, <font color="gray">MP1 folds</font>, <font color="gray">MP2 folds</font>, <font color="gray">MP3 folds</font>, <font color="gray">CO folds</font>, <font color="gray">Button folds</font>, <font color="red">Hero raises to t1545 (All-in)</font>, <font color="gray">BB folds</font>, UTG calls t1245