Looked like a raccoon to me so I searched hairless raccoon and found many links to similar animals it appears that each one had a bad case of mange.

Chupacabra Debunked! It's a Hairless Raccoon: Biologist
A biologist with the Texas Parks and Wildlife Department said Tuesday morning that the alleged Runaway Bay chupacabra is a hairless raccoon, the Wise County Messenger reports.
[link to www.nbcdfw.com]

“Chupacabra” turns out to be hairless raccoon
[link to www.examiner.com]

Baldy the Raccoon!