Your
uric acid is quite border line and I don't think it will be causing the pain but it can always be 1 of the causes. Also it might be due to initial setting in of Rheumatoid Arthritis. Burning sensation is usually cause on neurological problems and should not be neglected. It is initial stage and can be controlled easily by medication.
Next Steps
Get blood test done for RA factor,
CRP and CBC. Consult an Orthopaedic/Rheumatologist
Health Tips
Avoid foods which increases
Uric Acid. Google then. a few examples are - brinjal, tomato, any kind of beans and pulses, etc