I was able to get the new USB to boot. It seems there may be an issue with the UNRAID USB Creator. When I use the Local Zip option to write any zip file, including my backup USB zip and the Archived downloaded from here (unRAIDServer-6.11.5-x86_64.zip) the USB failed to boot.
To get my new USB to work I used the UNRAID USB Creator and selected the Stable option. It downloaded the newest version of UNRAID (6.12.8) and wrote it to the new USB. I then copied my backup config folder to the new USB. This solved my issue and my array is back up and working normally.