I have not been able to find him on any of the various units metioned as he could have been associated with.

King's Battery, Louisiana Artillery (Confederate)

Organized May 14, 1862 as St. Martin Rangers, but converted to artillery May 1863. Assigned as Company D to the 16th Louisiana Infantry Battalion, but functioned as an independent unit. Was known as Bull Battery because their cannon was pulled by oxen. The unit was stationed near Alexandria, Natchitoches, and finally was captured at Fort DeRussy on the Red River near Marksville in March 1864. After exchange, the men served as cavalrymen or mounted infantrymen

The Civil War Soldiers and Sailors database lists 40 men on its roster for this unit. Possibly this unit did not complete its organization, and the men went to other units

https://www.familysearch.org/wiki/en/King%27s_Battery,_Louisiana_Artillery_(Confederate)