Yes you file a Single Member LLC in the Self Employed version. It is a disregarded entity and you file it on Schedule C in your personal 1040 return. Unless you set it up as an S corp. then you need to file a 1120S business return.
You file it as self employment income.
https://ttlc.intuit.com/community/self-employed/help/how-do-i-report-income-from-self-employment/00/...
Then How to enter self employment expenses
https://ttlc.intuit.com/community/entering-importing/help/where-do-i-enter-my-self-employment-busine...
