Maybe I am a bit harder with my snakes than some, but I have been able to get every ball python I have ever owned to take f/t. Some were a bit more challenging than others, but they all switched. Have you tried practicing tough love with him? I had some that fought me and rarely ate because I would only give them live after a few weeks of refusing f/t. One of my snakes I was told when I got her would only eat live rats or live ASF but she eats f/t with no problem for me now.
How are you thawing your feeders? Mine sit in the reptile room all day while I am work thawing and then at about 7-8pm I get a bucket of super hot water, dump them in and then I don't even dry them. My snakes are right there at the edge of the tub waiting for me to open it so they can grab their rats. No zombie dance required. One of my snakes won't take the f/t from the tongs but I leave it in her tub and then leave the room once everyone has their rat and she eats it. Have you tried leaving it in over night?