Just sit at the table a few hands ago. I have about 1k in chips, Villain has me covered.
Villain looks like a reg (have seen him before), but no real solid reads. I would assume he at least knows how to reasonably balance ranges and read hands. The small bet on the flop, got me a bit confused. Is this a good bluff catching hand/spot?

Thoughts on all streets appreciated.

Villain CO opens to 30
Hero Calls in BB with 8c9s

FLOP (65) 2h6h9c
Villains bet 25, Hero calls

Turn (115) Jc
Villain bets 75, Hero calls

River (265) 3d
Villain bets 225, Hero ?