SlingTV - If cost is most important, then SlingTV is best, but you'll have to switch between Orange and Blue depending on the network BYU is on.
Hulu Live - If you value having Disney+, then Hulu is best and has the added benefit of including ESPN+ in the bundle with Disney+.
FUBO - If you value being different.
YTTV - if you value having the best of everything, including interface, unlimted DVR, etc.

*Note that ESPN+ would be a separate subscription for all of the above except if you get the Hulu bundle that includes Disney+ and ESPN+.