Hi. It's a Ligament Injury and do not Heal itself. So You Need to Consult a Good Physiotherapist near You. Do Waste time in Waiting. Your Treatment may include SWD, US Therapy, IFT, Laser Therapy etc.
Next Steps
Playing or Stressful Exercises may increase you Pain, So Use Arm Sling or Brace for Better Healing.
Health Tips
Avoid Playing till it heals as Further Rupture of Ligament may lead to increase Injury.