I will explain my thought process a little bit. As I had said earlier, this guy was loosey goosey. Once the flop came I decided to lead out for a multitude of reasons. If he didn't hit I would take it down right there. If he has a weak club he should be strongly considering folding. If he has a weak ace he should call, unless he's a real nutcase. If he has a strong ace/77/88 he will raise me hard and I can easily fold.

He calls.

Turn comes a 5 of clubs. Now the board reads 8c-7c-Ac-5c.
I check, villain checks behind.

River comes a 4 of hearts. What's my move? $480 in the pot.