Very good point about the position. Thinking about it now, I have been put in that spot (1st to act on river with the best hand) and throw out a weak bet that I think will get raised and then regret doing it when my opp just calls.

Mainly, I did not want him to fold though. Granted he probably would have called an all-in after his turn reraise, but I definitely didn't want to scare him off his flush - also, if the board had paired on the river I would have regretted not pushing on the turn because he may have folded to a large river bet.