Forget steak, you're in Tucson. Sonoran style Mexican is good!
El Guero Canelo, South 12th Ave/Nebraska
El Sur, Craycroft/ 22nd St
La Herrradura, St Mary's/Grande Ave
Maya Quetzle, 4th Ave near 6th St (very close to campus)
Gandhi's, Ft Lowell/Stone
Indian Oven, Campbell/Glenn, not as good as Gandhi's but still good, and closer to campus.
Little Mexico, Irvington/South 6th Ave
TTT Truck Stop I-10 at Craycroft (really)
Juanitos, Grant west of Oracle Rd (neighborhood might go to hell at night, not sure, only have eaten there in daylight.)