Poker Stars
No Limit Holdem Ring game
Blinds: $3/$6
5 players


Pre-flop: (5 players) Hero is BB with :5c :Ac
UTG calls, CO calls, Button folds, SB calls, Hero checks.

Flop: :ks :kc :9c ($24, 4 players)
SB checks, Hero bets $24, UTG calls, 2 folds.

Turn: :3d ($72, 2 players)
Hero checks, UTG checks. (planned on check-raising)

River: :tc ($72, 2 players)
Hero bets $36, UTG raises to $72

So what's your play? Re-raise or just call.