Sitting then jumped up on rock on accident ankle folded like acute angle can barley walk bad swelling been doing rice- sprain, hairline fracture, or?

Possible sprain. You will need and x-ray to see if you have a fracture or if it is just a sprain. Have it evaluated by your physician to get the appropriate treatment.
Ankle pain. Try resting it (for 1-2 weeks), icing, compressing wraps or bracing, and elevating your rolled ankle. Take otc antiinflammatory drugs like advil (ibuprofen) or Motrin as directed by the manufacturer to help. If clicking or feeling of ripping or instability continues, get it checked out as it may be a severe sprain, fracture, etc. Hope this was helpful!