Hey Phillip,
welcome to the forum!
I assume that your laptop, as became common nowadays, has no Ethernet port and you need an external Ethernet Host Adapter. If it is a real USB-to-Ethernet Host Adapter that you bought, your Operating System should report a Ethernet port.
If yes, this should allow you to proceed here:
If no, what does your operating system report when you connect your Ethernet Host Adapter on the USB-C port of your laptop?
WiFi is without wire. Ethernet is with wire. You need only one of both. Ethernet is preferable in EMI-rich environments like workshops with electric tools.