I’m trying to file taxes for my business which is my llc and s side hustle not my main job. I don’t know if i selected the start option correctly.

[AmyC]

An LLC is a legal entity rather than a tax entity. If you are the sole owner of the business, you are a sch C. 

Reference:

• How does starting a business affect my taxes?
• Where do I enter Schedule C?
• Where do I enter my self-employment business expenses, like home office, vehicle mileage, and suppli...
• Self-employed individuals tax center The IRS has tips to grow your business, YouTube videos and more to help you through.

Side note:

If you have other owners:

• it becomes a partnership and you use Form 1065.
• if you live in a community property state and your spouse is your partner, you may be able to file 2 Sch C forms on your personal return.