push or fold?

[Fuxl]

Ein 10$ Pokerstarsturnier, soll ich pushen? soll ich folden?

PokerStars Tournament, Big Blind is t50 (4 handed) Converter on pregopoker.com

CO (t5800)
Button (t4295)
Hero (t2250)
BB (t1155)

Preflop: Hero is in SB with K[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/club.gif[/img]
<font color="gray">CO folds</font>, <font color="red">Button raises to t200</font>, Hero calls t175, <font color="gray">BB folds</font>

Flop: (t450) 8[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/spade.gif[/img] 2[img]/images/graemlins/spade.gif[/img] (2 players)
Hero checks, <font color="red">Button bets t300</font>