Ive tried out a few. If you want a nice affordable one: https://www.amazon.com/gp/aw/d/B07TVSLDND?psc=1&ref=ppx_pop_mob_b_asin_image

And then there's this one that's quite a bit more: https://www.amazon.com/HyperDrive-Adapter-MacBook-Gigabit-Ethernet/dp/B07S7LVDC9/ref=mp_s_a_1_3?keywords=USB+c+hub+hyperdrive+ethernet&qid=1572309948&sr=8-3