Something to consider: this is an off-off year election and it's far from clear that turnout dynamics will favor Republicans, as they so evidently did in 2015. The anti-Bevin crowd in Kentucky would like him to be hung from a post and every teacher in the state will be voting - do you feel confident that Trump can rustle up a bunch of coal dust blown hillbillies to vote for Bevin? It's possible, especially in a politically charged period, but it's also possible that Bevin is crushed because turnout is low.
I think this race is a tossup.
huh look who was right about this
Turnout was not low, it was very high for an off-year and Beshear won due to persuading a large chunk of voters that will vote for Trump/McConnell in 2020 and that voted R for the other statewide offices. There's nothing to really brag about here.