Flop 2 pair, what now?

[ghostface]

MP3 is 23/5/1.5 over 1.3k hands and hasnt got out of line at all.

Party Poker No-Limit Hold'em, $ Hero (10 handed) FTR converter on zerodivide.cx

UTG+1 ($112.15)
UTG+2 ($20.30)
MP1 ($48)
MP2 ($20.15)
MP3 ($48)
CO ($44.75)
Button ($25.40)
SB ($48.15)
Hero ($68.10)
UTG ($54.65)

Preflop: Hero is BB with K[img]/images/graemlins/diamond.gif[/img], 8[img]/images/graemlins/club.gif[/img]. SB posts a blind of $0.25.
<font color="#666666">1 fold</font>, UTG+1 calls $0.50, <font color="#666666">3 folds</font>, MP3 calls $0.50, <font color="#666666">3 folds</font>, Hero checks.

Flop: ($1.75) 8[img]/images/graemlins/spade.gif[/img], J[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/heart.gif[/img]
Hero bets 1.25, 1 fold, MP3 raises to $4, Hero raises to $12, MP3 makes it $35

Call, fold, or push?

I ruled out 88, JJ, and KK so far.