KK vs nit faces minraise on flop

[tarath]

villian is bait455 hes like 14/12/2 over 1k hands and a bit fishy post flop.

I always screw this up so lets see what you guys think.

Poker Stars, $1/$2 NL Hold'em Cash Game, 6 Players
LegoPoker Hand History Converter

Hero (MP): $221.35
CO: $215.85
BTN: $271.10
SB: $225.10
BB: $214.25
UTG: $313.05

Pre-Flop: K[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/club.gif[/img] dealt to Hero (MP)
UTG folds, <font color="red">Hero raises to $8</font>, CO folds, BTN calls $8, 2 folds

Flop: ($19) 4[img]/images/graemlins/heart.gif[/img] 2[img]/images/graemlins/club.gif[/img] 5[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">Hero bets $16</font>, <font color="red">BTN raises to $32</font>, Hero calls $16

Turn: ($83) Q[img]/images/graemlins/club.gif[/img] (2 Players)
Hero ???