I wasn't sure if i'm supposed to have a raising range in this spot or just a bluff catcher? maybe some folds?

20NL
Hero UTG KsKd 60c (3bb)
4 callers. (SB folded)

Flop ($3.10) Tc-6d-2s
BB donk bets $2
Hero calls
CO calls
Btn calls
Four ways

Turn ($11.10) Tc-6d-2s-8h
BB check
hero check
co check
btn ($9) bets $5.50
BB folds
Hero calls
co folds
heads up

River ($22.10) Tc-6d-2s-8h-Ad
check x2