Ron's Patronus takes the form of a Jack Russell Terrier, as this is an animal that's commonly known for chasing otters. The otter, is also known for being the Patronus of Hermoine Granger, someone who Ron has been chasing the love of throughout the series of films.
POP! Movies: Ron Weasley Patronus - HP (Merchandise)
Ron's Patronus takes the form of a Jack Russell Terrier, as this is an animal that's commonly known for chasing otters. The otter, is also known for being the Patronus of Hermoine Granger, someone who Ron has been chasing the love of throughout the series of films.