[wpr101]

I would check call any bet.

I find it unlikely that he has a set or AK on this flop and did not raise. The turn could look like you went for a CR with your own AK. On the river, you are almost always going to be betting full houses and AK. For this reason I like the check because it looks like a weak line by hero.

If we were in villian's shoes and the action went the same with hero checking the river it would be a good spot for villian to bluff IMO.