That's too bad. Can you be more specific for what you have tried so far? Are you working with a doctor? This article has ways to combat kidney stones. https://www.mayoclinic.org/diseases-conditions/kidney-stones/diagnosis-treatment/drc-20355759 A 9mm kidney stone is big and those often don't pass on their own. This article gives some ways to remove it from having it surgically removed to using sound waves to break it up to using a scope to remove it, etc. This article talks about how to prevent kidney stones in the future. https://www.healthline.com/health/kidney-health/how-to-prevent-kidney-stones Staying well hydrated is one of the big things to do, eating calcium rich food, low sodium diet can help. Cutting down on protein might help, don't take vitamin C supplements. But get guidance from your doctor to confirm these things.
If your symptoms persist, please consult a urologist to discuss possible treatment options.