This is for a special category of sick leave related to covid which was authorized under an act of congress. You can select Sick leave wages subject to $511 per day from the drop-down selection. 

I live in Texas and worked remotely for a company in California for 3 months, and made $3,500 total. I received a W-2 and 1099-MISC. How do I file this on my taxes?

You do not have to file a California tax return if you live in Texas and worked remotely for a California company.

Follow these steps to enter your 1099-NEC:

1. Sign in to your TurboTax account if it is not open
2. Enter 1099-NEC into the search box
3. Click on Jump to 1099-NEC in the results box
4. Answer yes to the question Did you get a 1099-NEC
5. On the page Do You Want to Enter Your 1099-NECs Now click Add a 1099-NEC
6. Answer the questions on the page Let's get the info from your 1099-NEC
7. Enter the reason for the 1099-NEC
8. Follow the prompts to add your 1099-NEC information.

This TurboTax link What is a 1099-NEC? has information you may find useful

To add your 1099-MISC follow these steps:

1. Open or continue your return, if you're not already in it.
2. Search for 1099-MISC and select the Jump-to link.
3. On the page 1099-MISC summary check Add a 1099-MISC
4. Answer the questions on the page Let’s get info from your 1099-MISC. 
5. On the page Describe the reason for this 1099-MISC enter the reason for the 1099-MISC
6. Answer Does one of these uncommon situations apply?
7. Answer Did this involve work that's like my main job?
8. Answer How often did you get this income?
9. Answer Did this involve an intent to earn money?
10. Answer the remaining on-screen questions.

This link Where do I enter a 1099-MISC? has information you may find useful.