$215s - Way Too Aggro HU?

[Unarmed]

Villain limp/folded a couple times on the bubble, but also limped KK in MP level 2. This is 4rd HU hand, I pushed one, he min raised one. I don't think he has an ace enough of the time to make this a good shove, but should I raise some amount less than a push? Or should I just let it go? In other news, the $215s are night and day vs. the $109s.

Party Poker No-Limit Hold'em Tourney, Big Blind is t400 (2 handed) converter

Button (t7170)
Hero (t2830)

Preflop: Hero is BB with 8[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/diamond.gif[/img].
Button calls t200, Hero checks.

Flop: (t600) A[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/spade.gif[/img], 4[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets t400</font>, Hero shoves.