5/10 party - top pair with meh kicker

[DanK]

Part 5/10, only 3 handed.

Villian seems aggresive the hands he plays but is a bit too tight. He raises preflop a resonable amount but not super often...maybe 1/4 of hands whene he is on the button at most. Post flop I havent seen him so anything crazy and he is not overly aggresive. I have a very lag image right now, raising most hands betting most flops ect.

I got KdTd in the BB, button raises to 40, I call.

Flop: Kc 9h 7h

I check he bets 60, I make it 200, he calls.

Turn: 5s

I check he bets 250, I call.

River: Ad

I check, he checks.

Do most of you let go on the turn here...I feel I should have made a smaller blocking bet like 200 and hope he checks behind on the river, If he doesnt check the river Im probably beat. Not sure. Anyhow all advice is welcome