This is the only mention of a possible CW wounding:

The Alabama Department of Archive and History Civil War Database reported Chandler
was on a Register of Maimed Soldiers for 1881 and lived in Cullman County.

https://books.google.com/books?id=8bOfBQAAQBAJ&pg=PA107&lpg=PA107&dq=John+Shadrack+Chandler&source=bl&ots=6PGyGmUfSS&sig=ACfU3U2-Llv9fp8kHHBlnjErosqovuyrgA&hl=en&sa=X&ved=2ahUKEwjRxMyBxrbnAhVBlKwKHdbdAZwQ6AEwBHoECAkQAQ#v=onepage&q=John%20Shadrack%20Chandler&f=false