Welcome @domiha, I'm sure you are not alone with your questions. I have degenerative disc disease along with idiopathic small fiber peripheral neuropathy along with balance problems. I'm not sure if you've seen these newer discussions that might be a good place to connect with others sharing some of your symptoms.
--- Two Stage Fusion/Laminectomy - Anyone Have Perspective?: https://connect.mayoclinic.org/discussion/two-stage-fusionlaminectomy-anyone-have-perspective/
--- Lumbar stenosis and C spine stenosis: https://connect.mayoclinic.org/discussion/lumbar-stenosis-and-c-spine-stenosis/.

You mentioned you are back to doing PT twice a week @jenniferhunter started the following discussion which you may find helpful - Myofascial Release Therapy (MFR) for treating compression and pain: https://connect.mayoclinic.org/discussion/myofascial-release-therapy-mfr-for-treating-compression-and-pain/.

Have you heard of or tried Myofascial Release Therapy?