meh.. this spot is a bit lame. Why did you bet so small on the flop/turn? It's quite hard for him to have draws here ( I don't think a 12/9 is calling much here preflop with SCs) so I think this is AK/AQ a lot and you've induced a float with small cbet. You're getting like 4:1 though and you can easily have 55-77/88-TT here so if you think he gets to river a lot like this w/ SCs then you have to call..