"The one output that I need is pressure so I can define a pressure ratio."
what pressure? inlet or outlet?
what are your expectations for this project. this is a pretty complex analysis to get right and remember that rotating regions is an approximation in flow simulation.
from a setup perspective, have you already gone through the tech reference, solving engineering problems documents and also the solidworks kb and the forum? there are a lot of things to consider when setting up these problems. missing a step will probably make things frustrating for you.
lastly, before you start working on you redesigned model, i'd suggest working on something with a known answer. that way you know if you run into an issue that it is your setup and not your design.
I are looking for the output pressure.
in flow simulation your 2 options for setup are:
1. flow in, pressure out > the output is the pressure at the inlet
2. pressure in, pressure out > the output is the flow rate