Trump may be a lot of things, but one thing he isn’t is stupid. He HAS to know Ryan is a snake. Whatever Trumps plan regarding Ryan is, we havent seen yet.
Trump called Ryan out many times during the campaign, but people have to realize that he can’t publically rebuke the Speaker of the House without his agenda stalling out. He doesn’t have the ability to fire Ryan either, so he HAS to play nice for the moment. But its obvious he knows Ryan is a snake