I don’t know enough about your pathology to know what is causing your pain. If I suspect a painful segment, I always use a diagnostic block to determine if my suspicion is correct.
See:
https://neckandback.com/treatments/diagnostic-therapeutic-neck/
https://neckandback.com/treatments/epidural-injections-and-selective-nerve-root-blocks-diagnostic-and-therapeutic-neck/
https://neckandback.com/treatments/facet-blocks-and-rhizotomies-neck/ and
https://neckandback.com/treatments/pain-diary-instructions-for-spinal-injections-neck/
Dr. Corenman