Question about AOC U2790PQU LED IPS 27" UHD 3840x2160p 50M:1 (typ. 1000:1) 350cd 5ms HDMI2.0

Yes, it should work with a USB-C dock. A screen with a USB-C input would be more optimal, but something like this would work. It is important that the HDMI output also delivers 60Hz with 4K UHD resolution and that would be the case with this docking solution:

Club 3D CSV-1592 (1 x HDMI, 100 W, USB C, USB A)