I would fold river. Bet sizing looks polarizing, but turn bet means it is unlikely to be a bluff.
I would think 5 ways with a set Villain would bet the flop. But Villain may also be looking to c/r if HJ or BTN get aggressive.
Turn bet for Villain looks like JT+/66+. Blinds have checked twice and HJ/BTN have checked behind. Nobody has 2 pair+. Doubt villain is bluffing.
A river bet by hero looks like it could be a missed draw. Villain would call with 77+ anyway.
It is conceivable that Villain has a hand like Q
T
or T9s. But there are so many hands that beat you it seems like a losing call in the long run.