live 8/16 anybody raise this river?

[RudeboyOi]

6handed

sb is a good thinking player

the hand

folds to me in CO

i open with Kh8o

button ccs, sb 3bs, bb folds, i call, button calls

flop 8h5h2

sb bets, i call, button calls

turn A

sb bets, button looks like hes ready to fold
i raise, button folds, sb calls

river T

sb donks

fold or raise?

isnt this like KK QQ a good chunk of the time?

edit: oops said button called, he folded