The 5th Ky. Inf. served from late 1863 until the end of the war in the First Kentucky "Orphan" Brigade. Other references can be found at:
http://www.rootsweb.com/~orphanhm/resource.htm,
http://www.rootsweb.com/~orphanhm/faqs.htm (scroll down for 5th Ky. info),
photos at - http://www.rootsweb.com/~orphanhm/photogal3.htm#5th%20Ky%20Inf

Hope this helps,

Geoff Walden