Hi malestudent welcome to the forums. Sorry to hear that chiropractic is not for you. My guy has really helped me with assorted sport related injuries. He's Canadian and uses an air driven hammer for his adjustments. You do need about 3-5 visits for it to be effective though. He also uses Vax-D for herniated disks. Lots of glowing testimonials about this Rx.
Sorry to say, but that PA stuff is just more of the same for you, only this time you're doomed to eternal scut work. At least in nursing, you have a different focus. You treat the patient as a whole person not just a disease process. I think that will be more in line with chiropractic training.
Whatever you choose though, good luck to you and visit often.