The chances of you becoming a UFC fighter are so small. There are probably 100s of people trying to do the same thing as you. Aside from that if you truly enjoy fighting people and not just want to be specifically a UFC fighter then you should just find underground fighting arenas and fight for the sake of knowing you are better than the other guy. If you can fight the guys underground and not get the living hell beaten out of you and still say you enjoy fighting then look at the UFC as your next stepping stone.
There are guys that practice for hours and they still lose horribly in the UFC and then get cut. I don't know what the difference between a UFC fighter and an MMA fighter have in difference between workout routines because a UFC fighter is an MMA fighter who works for Dana White AND the UFC so you shouldn't be worried about how to be a UFC fighter and you should be worried about how to defend yourself when you have MMA matches. You will be much happier in the long run. Besides, aside from joining the ultimate fighter they will look into your record and what kind of fighter you are and then they will see what you have to offer the company because the UFC is a company.