100 nl AK cbet question

[Weir]

PokerStars No-Limit Hold'em, $1.00 BB (5 handed) pokerhand.org hand converter

Hero ($109.35)
UTG ($150.80)
MP ($121)
Button ($37.30)
SB ($321.75)

Preflop: Hero is BB with K[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/club.gif[/img].
<font color="#666666">3 folds</font>, <font color="#CC3333">SB raises to $4</font>, <font color="#CC3333">Hero raises to $15</font>, SB calls $11.

Flop: ($30) 2[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets $24</font>, SB calls $24.

Turn: ($78) 4[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, Hero checks.

River: ($78) 3[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, Hero checks.

Final Pot: $78

this happens to me pretty much every single time i play AK. no reads. I hate cbetting $24 with absolutely nothing, but what else can i do?

[GrandMelon]

This was played fine IMO