I don't think I would call preflop in that spot. 77 is difficult to play post flop, let alone when your stack is on the medium to short area as you are here.
The CO is betting 450 and you have 4,372, so you are not getting the right price to set mine. You are getting less than 10:1.
However, my preferred play in this spot would be to shove those chippies in his face preflop. It is a CO open. It should be fairly wide and shoving 77 will be profitable here.
Calling as you did, I like the way you played it post flop.