The Mesquite Horn prospect made the announcement on Twitter:
Decided I'm going to be a Red Raider. Guns Up! pic.twitter.com/fp8YJgOp7F-Conner Dyer (@Dyer_Football)
The 6-5, 276-pound offensive lineman had more than 30 offers including LSU, Oklahoma and Baylor.
247Sports rates him as the No. 21 offensive tackle in the country and No. 35 overall prospect in Texas.