$25-$50 NL KJo in the bb

[whitelime]

A couple of reasons:

"He has been raising quite a bit preflop, and has raised 4 times in a row or so when it was folded to him in the sb."

I think this is the most important one. When someone has been running over the table like it seems he has been, they understand that their fold equity is drastically reduced. He could very conceivably think you are betting AK or AQ in this spot and not folding to any C/R. As a result, I think you are less likely to be bluff C/R'd in this spot.

The second reason is that if you check, you put yourself in a gross situation on the river.