[tomek322]

Weird line, once you check the turn, I think you have to check the river. If I was in his shoes, I would actually think you had the busted FD and prob called with any pair or even ace high.

If you want to do this, I think you should have waited until the turn to c/r. In reality just let it go on the flop, to try and convince him you have a 5 will generally require you to commit a lot of chips. I.e if you had a five, you would be betting lots of chips.

Just check the river, you are beating Ahi, and any pocket pair he may be limping with, so your bet gets a fold out of hands you beat and call from ones you don't. If you think you're 9 is good, bet less to get a call from those hands.