RE: Which non-Dell docking stations for XPS 13 9365?
It is a little hard to judge price if you don't say which capabilities you want the dock to have. If you needed just Ethernet, those aren't bad.
I have the TB 16, which seems to work well but is expensive. I cannot attest to its capabilities with multiple monitors since I don't run my system that way.
I also have a StarTech.com dock (# DKT30CHPD) which has HDMI (4K) Ethernet and USB.
I will suggest you evaluate your needs prior to buying a dock. Getting one which has the capabilities is better than buying several for different capabilities. If for no other reason that drivers for the different docks may be different.
I should mention, the TB 16 has its own power supply where the StarTech one does not. Of course, this adds to the cost but does give you a backup supply for your system.