Highly probable. If you can find a donor, the odds of keeping your new kidney are very high.
My daughter had a kidney transplant in October of 2006, she, and her new kidney, are doing fantastic!
There is a lot of follow-up blood work, and medicines that you have to take at the same time every day. That's pretty much it.
The surgeons actually said that they considered a kidney transplant fairly routine. How awesome is that?!