Responsibilities. We are looking for PRN - RN's for our Intake Department. Shifts available are. Overnight and Evenings (3pm-11pm). Hickory Trail Hospital. an 86-bed behavioral health facility located just south of Dallas, has been providing quality health care to the residents of DFW since 1988. Hickory Trail Hospital provides inpatient and day treatment for children, adolescents, adults, and senior adults. Our professional staff individualizes ...