In hand one being oop I'd probably bet sliiiightly smaller on flop and turn, not that it really makes much of a difference, but I like keeping the betting a bit smaller, like 60% of the pot or so (you'll keep the pot smaller and face a smaller bet on the river to hero call). I dunno if I hate or love that c/c on the river but I suppose its better than betting since we're against someone who will do that for us. If he's taking stabs at pots where his opponents give up the initiative it might be an ok call.

Hand 2: do you have any history of this guy bluffing paired flops like this? It's unlikely he has a hand here, but if he's been passive up until now I'd probably just dump it. If you plan on folding to a blank river, *imo*, calling any bets on earlier streets is baddd. It's like saying, 'well I don't believe you now so I call. I don't believe you again (turn) so I call', and then all of a sudden you believe him on the river, which does nothing to change the hand, and give up. I think you probably realize this though and just need it drilled into your head by others to make you act on it next time.