Food for thought:

General range
Board: 7h 3s 5s Qd 8c
Dead:

equity (%) win (%) tie (%)
Hand 1: 48.9362 % 48.94% 00.00% { QQ+, 88, 55, 33, Q7s, 9s6s, 87s, 64s, Q7o, 87o, 64o }
Hand 2: 51.0638 % 51.06% 00.00% { 77 }

4-betting range
Board: 7h 3s 5s Qd 8c
Dead:

equity (%) win (%) tie (%)
Hand 1: 79.3103 % 79.31% 00.00% { QQ, 88, 55, 33, 9s6s, 64s, 64o }
Hand 2: 20.6897 % 20.69% 00.00% { 77 }


Tell me what you think. If that second range is correct it tilts things back toward "fold to a push", but it leans heavily on the possibility of him having 64 and playing it exactly that way. Which to me seems about as likely as playing 33/55 that way.