Ryanair treat each leg as a separate flight and they have stressed plenty of times that they do not do connecting flights.
Though having said that, you have no luggage being checked through so why not go through Flight Connections with your pre-printed boarding card; in theory, you shouldn't have a problem.
If I was you, I would give it a go, the worst thing that will happen is that you will be turned back and told to go around the long way.
Let us know how you get on.