$16- 18 man A9s push over raise on bubble?

[fightingcoward]

Top 4 pay... been card dead for a while and nobody has gotten out of line. Is A9s beating UTG's range enough for this to be ev? I figured not much chance of getting a better hand before Im killed by the blinds...

PokerStars Tournament, Big Blind is t800 with t50 antes (5 handed) Converter on pregopoker.com

UTG (t4790)
CO (t3760)
Hero (t2844)
SB (t8550)
BB (t7056)

Preflop: Hero is in Button with 9[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/diamond.gif[/img]
<font color="red">UTG raises to t2400</font>, <font color="gray">CO folds</font>, <font color="red">Hero ?????