If it’s possible, then it can be accomplished with Vjoy and UCR.
Here’s how I use them. I don’t have rudder pedals but I do have a brake/clutch/gas pedals from my G29 driving wheel/pedals. I wanted to use the driving pedals as rudder pedals but each driving pedal is a separate axis so it’s not possible as they are. Thus I used vjoy and created a virtual device. Then I configure that virtual device in UCR by attaching the clutch and gas pedals to it. Now the 2 pedals act as 1 device and they’re configured such that 1 pedal controls half of the virtual device while the other pedal controls the other half of the virtual device. In the sim the virtual device shows up like any other controller so I setup the rudder axis with the virtual device.
So it’s possbile to reconfigure your devices to perform in new ways with these programs. It’s a little complicated but possible. I suggest you google some tutorials. Maybe you can get it to work as you wish.