Dorn was signed by the Minnesota Vikings as an undrafted free agent on April 28, 2020.
[2] He suffered a broken toe in the Vikings' final preseason practice and was waived with an injury designation.
[3] Dorn reverted to the injured reserve after clearing waivers on September 6, 2020.
[4] He was released on August 31, 2021, during final roster cuts and re-signed to the practice squad the next day.
Dorn signed with the Arlington Renegades of the United Football League on January 24, 2024.