Shorthanded hand

[Hande]

I was playing my regular $3/$6 shorthanded game and this hand came down. I'm not sure if I missed a valuebet at the end, any thoughts?

five players, hero is cut-off with TsTh

Preflop :

1 fold
Hero bets to $6, button calls, 2 folds

Flop :

4h 8c Js

Hero bets $3, button calls

Turn :

5h

Hero bets $6, button calls

River :

Kh

Hero checks, button checks

[mollila]

I would have check-called that river. Those two overcards and three hearts are worrying.

Without knowing how the button plays, hands that he could cold call a raise and call down to the river include KQ, AK and medium pairs.