NL25 AK getting donked on th flop

[HighCardSeven]

Poker Stars - No Limit Hold'em Cash Game - $0.10/$0.25 Blinds - 6 Players - (LegoPoker Hand History Converter)

SB: $61.30
BB: $19.05
UTG: $32.85
Hero (MP): $31.30
CO: $82.30
BTN: $13.05

Preflop: Hero is dealt A[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/diamond.gif[/img] (6 Players)
<font color="red">UTG raises to $0.75</font>, <font color="red">Hero raises to $3.00</font>, 4 folds, UTG calls $2.25

Flop: ($6.35) K[img]/images/graemlins/heart.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] Q[img]/images/graemlins/spade.gif[/img] (2 Players)
<font color="red">UTG bets $4.00</font>, <font color="red">Hero raises to $12.00</font>, UTG folds

Pot Size: $22.35 ($0.70 Rake)

Villain was 58/34 after 26 hands. Raise on the flop okay? Should I play in another way?