You will need to use the Self Employed version to enter income and expenses.
How to import from Lyft
How to enter Lyft tax info
How to get the Lyft discount
Tax Tips for Uber, Lyft, Sidecar and other Car Sharing Drivers FAQ
It sounds like you have some questions about how to use Form 1099 (K or MISC) that Lyft provided you for 2019.
Because you are technically in business for yourself you will use one of the 1099 forms to file your taxes, and not a W-2 as some might expect.
Please use this great article we have on this subject:
Hope that helps!