Well shoot...

I just put a cloth seat cover on the seat. My dog wold ride in the seat, lay in the seat, but mostly lay on the bunk. I also discovered that a rubber glove, like one for washing dishes in the sink, was the best way to clean up dog hair. Just put on the glove and sweep your hand over any cloth surface and it balls the loose hair up you can pick up.

I also lay a large plain white sheet over the bunk, so it covered the pillows and blankets. When it's time for bed I can roll up that sheet and the dog hair on it.

 

That puppy looks pretty happy right there.

 

I bought a plastic bin at Wally World to store food in that was the height of the seat. I put that on the floor in front of the seat and then put the dog bed on the seat and on the top of the bin. Worked great but the dog hates sitting there. Bed now stays on the floor.

 

In that case I'd say he looks pretty content.

I put a sweater on the little guy whenever I bring him to help with all the hair

 

My 30 pound dog could look out front while in the pax seat just sitting on her butt, front legs straight. Or she would just stand in the pax seat. I put a small plastic sweater box, put her food and water dish in that box in where a human passenger's feet would be. That keeps the water and kibble contained in the sweater box.

Here's the type of sweater box, but it's a 10-pack of boxes, you just need one.