Thin Value Bet?

[soah]

2/4 at Stars

A couple players leave and now we're four-handed. I raise UTG to $14 with 98o. Button folds, SB calls, BB calls. Flop K9x all diamonds. I have no diamond. Checked to me and I check. Turn is a 9. SB bets $16. He just joined the table recently and I haven't gotten much read on him yet and he probably doesn't know much about me either (I haven't done much the last couple orbits). BB folds and I raise to $66. He calls. River is a brick and he checks.

He started with $400 and I covered.