hello,if you are having one sided pain in the spine and hip,it could be due to various reasons,exact cause and examination will help to treat your problem,it could be due to SI joint pathology also.
Next Steps
You should go to a physiotherapist and learn theraputic exercises which will strengthen your muscles.,also you can take SWD and IFT for few days for the relief of pain.
Health Tips
Avoid forward bending and lifting heavy weight,no exercises lifting both the legs together,also check your
vitamin D levels.