K-3o short stacked... Push?

Party Poker No-Limit Hold'em Tourney, Big Blind is t150 (4 handed) FTR converter on zerodivide.cx

BB (t1070)
Hero (t695)
Button (t3270)
SB (t2965)

Preflop: Hero is UTG with K[img]/images/graemlins/diamond.gif[/img], 3[img]/images/graemlins/heart.gif[/img].
Hero calls [t695] , Button calls t695, <font color="#666666">2 folds</font>.

Flop: (t920) 5[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>

Turn: (t920) 8[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>

River: (t920) 5[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>

Final Pot: t920

didnt like pushing into the leader at all, but was outta position on the other shorty, and figured i was gonna have to push something marginal anyway. thoughts?