First of all we need a bit more info on the bus. "short bus "means anything from a standard chevy van to bread truck size. And NO, a 3/4 ton pickup will not tow it safely. Not enough weight on the back or stopping power. Remember, you are stopping for 2 1/2 now.
The best thing to do is get it fixed where it's at or have a pro towing company do it. Not worth the risk of 3 plus tons of bus out of control. I speak from experience, This can go sideways real fast. You can even kill someone.