Did I tear a ligament in my ankle? Rolled it and very swollen on the outside.

Maybe. You need to have an exam to determine the extent of the injury.
Doubtful. It is actually reassuring to still have some pain, as a completely torn ligament is often painless....But unstable. Try a few days of ice, elevation, compression with an ace bandage, and practice some range of motion exercises (draw the alphabet in the sky with your foot). If it fails to improve, see you doctor.