$0.02/$0.05

SB: $5.71 (114.2 bb)
BB: $6.76 (135.2 bb)
UTG: $3.46 (69.2 bb)
MP: $0.92 (18.4 bb)
CO: $5.15 (103 bb)
Hero (BTN): $9.78 (195.6 bb)

Villains unknown

Preflop: Hero is BTN with Ad Kc
UTG raises to $0.17, 2 folds, Hero calls $0.17, SB folds, BB calls $0.12

Flop: ($0.53) Ks Jh 5h (3 players)
BB checks, UTG bets $0.50, Hero raises to $1.60, BB raises to $5.81, UTG folds, Hero calls $4.21

This is practically an all in but I don't know if this is a call for me. We are flipping at best vs his KQhh, AThh etc + we have shown much strengh by raising a potsize bet so this looks pretty much like a set. What do you guys think?