NL50 I 3bet AK, cbet TPTK and fold to a turn push

[Triggerle]

This is a line check. First hand at the table. Standard? Or can I play this differently?

Cryptologic - No Limit Hold'em Cash Game - $0.25/$0.50 Blinds - 6 Players - (LegoPoker HH Converter)

SB: $60.95
<font color="black">Hero (BB): $50.00</font>
UTG: $45.70
MP: $8.30
CO: $24.75
BTN: $70.20

<font color="black">Preflop:</font> Hero is dealt K[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/club.gif[/img] (6 Players)
<font color="red">UTG raises to $1.50</font>, 4 folds, <font color="red">Hero raises to $5.00</font>, UTG calls $3.50

<font color="black">Flop:</font> ($10.25) A[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/spade.gif[/img] 6[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">Hero bets $7.00</font>, UTG calls $7.00

<font color="black">Turn:</font> ($24.25) 2[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">Hero bets $12.00</font>, <font color="red">UTG raises all-in to $33.70</font>, Hero folds
Uncalled bet of $21.70 returned to UTG

Pot Size: $48.25 ($2.40 Rake)