KK 140BB deep

[murmeltier21]

Hey guys!
Villain is a fairly good player 25/17/3 and i know that he is capable of quite a few things to vary his game.
I don't really want to play for stacks when he calls my flop bet on this raggy board. so what about the turn first!

Party Poker
No Limit Hold'em Cash Game
$0.25/$0.50 Blinds
6 Players - (http://www.legopoker.com/hh)

SB: $53.87
BB: $48.69
UTG: $107.72
MP: $46.17
Hero (CO): $69.89
BTN: $51.94

Preflop: Hero is dealt Kc Kd (6 Players)
UTG raises to $2.00, MP folds, Hero raises to $8.00, 3 folds, UTG calls $6.00

Flop: ($16.75) 4s 2h 8c (2 Players)
UTG checks, Hero bets $12.00, UTG calls $12.00

Turn: ($40.75) 7s (2 Players)
UTG checks, Hero?