The owners of the Barrio Queen chain of restaurants found a buyer for their luxury home in Paradise Valley. Steven Rosenfield and Linda Nash, who own scores of restaurants in several states, including the Barrio Queen chain around Phoenix, were asking $3.595 million for the property at 6434 E. Jackrabbit Road. It sold in November for $3.2 million, according to Maricopa County records, to Lange 2014 Revocable Trust, in the name of Dennis and Cynthia Lange. The sale comes several months after…