NL100 6max - AK trying to protect TPTK

[dnord]

I have pretty much just sat down, but let's say I already have the stats I eventually got on villain: 30/10/2.5.

PokerStars No-Limit Hold'em, $1.00 BB (6 handed)

CO ($119.15)
Button ($80.50)
SB ($55.30)
BB ($108.40)
UTG ($90.35)
Hero ($148)

Preflop: Hero is MP with A[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $4</font>, <font color="#666666">2 folds</font>, SB calls $3.50, <font color="#666666">1 fold</font>.

Flop: ($9) K[img]/images/graemlins/heart.gif[/img], T[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets $8</font>, SB calls $8.

Turn: ($25) 8[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets $14</font>, SB calls $14.

River: ($53) 7[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets $29.30 (All-In)</font>, Hero...?

This is the first hand I've posted here, so be cool. [img]/images/graemlins/smile.gif[/img] I didn't think about my river action much at the time, but it might be more nuanced than I think.