NL50: Fold Kings against Raise?

[Sebi]

Villian hat 30/10/1.6 über 70 Hände.

Poker Stars - No Limit Hold'em Cash Game - $0.25/$0.50 Blinds - 8 Players - (LegoPoker HH Converter)

SB: $119.45
BB: $42.15
UTG: $38.55
UTG+1: $46.00
MP1: $51.10
MP2: $5.10
CO: $48.75
Hero (BTN): $59.60

Preflop: Hero is dealt K[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/heart.gif[/img] (8 Players)
<font color="red">UTG raises to $1.50</font>, 4 folds, <font color="red">Hero raises to $4.50</font>, 2 folds, UTG calls $3.00

Flop: ($9.75) T[img]/images/graemlins/diamond.gif[/img] 2[img]/images/graemlins/heart.gif[/img] 8[img]/images/graemlins/diamond.gif[/img] (2 Players)
UTG checks, <font color="red">Hero bets $7.00</font>, <font color="red">UTG raises to $18.00</font>

was jetzt? ein Raise? oder doch besser Fold?