I would recommend going to some salvage yards and looking at the second row seats in Ford minivans. They are all reclining with armrests and if you just stick to the Fords you can find one that actually has the same cloth (color and type) as your front seats. You can add a simple seat swivel to this, not van specific. I recently added one of these to the passenger seat of my work truck, about 1/4 the cost of a Ford front swivel. If you need one of those though Ray (1der) has the hookup.
Here's the one I used, easily adaptable to about any seat: