Hank the Cowdog by John R. Erickson
The popular Hank the Cowdog series is based on the humorous antics of the canine Head of Ranch Security. In this first book, Hank is framed for the murder of a chicken and becomes an outlaw with the coyotes. Hank and his little buddy, Drover, set out to solve the series of baffling murders on the ranch. Is Hank a suspect? An Outlaw? Can he clear his good name?