Well, if you were to call the flop it would be -EV.

Board: 6h 8h 5c

Hand 0: 42.947% { AhKh }
Hand 1: 57.053% { 55+, 97s, 86s, 74s, 65s }

I think a push is -EV as well (unless he is able to ever fold this):
pot equity = 45%