6max: TPTK facing min raise on turn

[XST]

Villain is 13/10/1.5. Probably should have bet more on the turn. What is my next move? Shove or fold?

PokerStars No-Limit Hold'em, $0.25 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

CO ($14.30)
Button ($25.70)
SB ($88.20)
BB ($23.80)
UTG ($37.80)
Hero ($29.55)

Preflop: Hero is MP with A[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/club.gif[/img].
UTG calls $0.25, <font color="#CC3333">Hero raises to $1</font>, <font color="#666666">1 fold</font>, Button calls $1, <font color="#666666">2 folds</font>, UTG calls $0.75.

Flop: ($3.35) 6[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
UTG checks, <font color="#CC3333">Hero bets $2.3</font>, Button calls $2.30, UTG calls $2.30.

Turn: ($10.25) T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
UTG checks, <font color="#CC3333">Hero bets $5.5</font>, <font color="#CC3333">Button raises to $12.75</font>, UTG folds, <font color="#CC3333">Hero....