due to your knee dislocation . you might have ACL injury and chondromalacia patellae and maltracking of the patella , after the injury you must have Wikipedia reference-linkMRI to reveal any soft tissue injury .

due to instability in running this means high propabiltiy of ACL tear due to rotational instability.

and what about chondromalachia and maltracking .these make Iliotibial band always tight so what you will need are Quadriceps strenthening espically vastus medails by concentrate on terminal extension of the knee and proper stretching of IT band and deep fricition massage to realease it. and you must wear a brace for maltracking of the patella to avoid any further dislocation of patella.

so you must first see orthopadic surgery for MRI of that knee to exclude any soft tissue injury after you tell me about that report everything will be ok .