AKs facing huge smooth-call on turn

[basementproject]

Poker Stars, $0.25/$0.50 NL Hold'em Cash Game, 6 Players
LegoPoker Hand History Converter

BTN: $57
SB: $71.70
BB: $17.60
Hero (UTG): $130.65
MP: $40.25
CO: $65.55

Pre-Flop: K[img]/images/graemlins/club.gif[/img] A[img]/images/graemlins/club.gif[/img] dealt to Hero (UTG)
<font color="red">Hero raises to $2</font>, MP calls $2, 2 folds, <font color="red">SB raises to $7</font>, BB folds, Hero calls $5, MP calls $5

Flop: ($21.50) J[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/club.gif[/img] (3 Players)
SB checks, <font color="red">Hero bets $13</font>, MP folds, SB calls $13

Turn: ($47.50) 2[img]/images/graemlins/heart.gif[/img] (2 Players)
SB checks, <font color="red">Hero ... </font>

Villain runs 17/5. I have no idea how to handle this turn, my thinking is check for info or 1/3 pot bet to see if I get a raise or a call.

Also, preflop, do you fire back at vill's 3-bet or simply call?