"what do i put my dish where it says latitude."
Motor Latitude is set to Your Latitude, once set it is not changed for fine tuning
Dish elevation to what the Dish Pointer web page or to best signal, can be changed for fine tuning.
point my dish at 91 get 100% signal"
You are looking for "Quality"
"I then go to my setting put in my lat long and my sat at hit go and my motor should go there that is it."
That is the theory. With the Motor at Zero, set up for best Quality on your True South Sat, then pick a Sat as far East / West as you can get, allow the receiver to Drive there, make minor tweaks as necessary.