yuck, tough KK decision 1/2nl

I'm really lost on this hand, no reads as both players are new to the table, MP seems donkish, and I'm putting him on the flush draw, but I'm lost on BB..What's your play?

PokerStars No-Limit Hold'em, $2 BB (9 handed) pokerhand.org hand converter

SB ($79)
BB ($222.30)
UTG ($295)
UTG+1 ($89.20)
MP1 ($198)
Hero ($356.80)
MP3 ($72)
CO ($223.15)
Button ($202.05)

Preflop: Hero is MP2 with K[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/club.gif[/img].
<font color="#666666">2 folds</font>, MP1 calls $2, <font color="#CC3333">Hero raises to $8</font>, <font color="#666666">1 fold</font>, CO calls $8, <font color="#666666">2 folds</font>, BB calls $6, MP1 calls $6.

Flop: ($33) 8[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/spade.gif[/img], 2[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
BB checks, MP1 checks, <font color="#CC3333">Hero bets $19</font>, CO folds, <font color="#CC3333">BB raises to $48</font>, MP1 calls $48, <font color="#CC3333">Hero??