@rocketfool I do not have any experience with using the Raspberry Pi 3 (or any Raspberry Pi) so I cannot give any advice on this. What I can do is point you to a video that will probably cover what you are looking for.
https://community.blynk.cc/t/raspberry-pi-video-tutorial/13490
I hope this helps.
Oh, don’t forget about all those helpful links on the top right of the screen. DOCS and ?HELP CENTER are your friends. I could not have gotten my projects working without them.