http://www.pokerhand.org/?6742709

GTO

This is how my river range looks like. GTO wise we have to defend 60% of our 117 combmos = 70 combo's

That should be A7+.

Exploitive wise

I think 90% of the regs will barrel all their missed flusdraws on the river include Kxhh. In that case it's also a call.