200NL: Whats his range on the turn?

[TPTK77]

The only hand that I could put villain on the turn is AA, KK, AK. After cold calling pf, and calling my bet on the flop I'm really confused here.

Full Tilt Poker, $1/$2 NL Hold'em Cash Game, 6 Players
LeggoPoker.com - Hand History Converter

BTN: $200
SB: $161.60
BB: $171.60
UTG: $462.50
Hero (MP): $203.25
CO: $355.10

Pre-Flop: K[img]/images/graemlins/club.gif[/img] Q[img]/images/graemlins/heart.gif[/img] dealt to Hero (MP)
<font color="red">UTG raises to $6</font>, <font color="red">Hero raises to $18</font>, 3 folds, BB calls $16, UTG calls $12

Flop: ($55) 8[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/spade.gif[/img] 3[img]/images/graemlins/club.gif[/img] (3 Players)
BB checks, UTG checks, <font color="red">Hero bets $38</font>, BB calls $38, UTG folds

Turn: ($131) 8[img]/images/graemlins/club.gif[/img] (2 Players)
BB checks
TPTK ????