AK calldown?

[chris269]

Villain was completely unkown, it's his 2nd hand on the table. Is my line ok?
Poker Stars
No Limit Holdem Ring game
Blinds: $0.50/$1
5 players
Converter

Stack sizes:
UTG: $122.40
Hero: $166.90
Button: $105.75
SB: $99
BB: $100

Pre-flop: (5 players) Hero is CO with A[img]/images/graemlins/heart.gif[/img] K[img]/images/graemlins/diamond.gif[/img]
UTG folds, <font color="#cc0000">Hero raises to $4</font>, Button folds, SB calls, BB folds.

Flop: J[img]/images/graemlins/diamond.gif[/img] 2[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/club.gif[/img] ($9, 2 players)
<font color="#cc0000">SB bets $6</font>, Hero calls.

Turn: 3[img]/images/graemlins/club.gif[/img] ($21, 2 players)
<font color="#cc0000">SB bets $12</font>, Hero calls.

River: J[img]/images/graemlins/spade.gif[/img] ($45, 2 players)
<font color="#cc0000">SB bets $20</font>, Hero calls.

Results:
Final pot: $85