My 1099-R for 2021 is $9000 ($3000 for 2020 and $6000 for 2021)I followed steps for Backdoor Roth IRA but it is incorrectly showing $3000 in my taxable income, plz help

Please make sure you enter your basis of $3,000 from 2020 (shown on your 2020 Form 8606 line 14) in either steps 8 and 9 went you enter your IRA contribution or steps 6 and 7 when you enter your 1099-R.

To enter the nondeductible contribution to the traditional IRA:

1. Login to your TurboTax Account 
2. Click on "Search" on the top right and type “IRA contributions”
3. Click on “Jump to IRA contributions"
4. Select “traditional IRA”
5. Answer “No” to “Is This a Repayment of a Retirement Distribution?”
6. Enter the amount you contributed
7. Answer “No” to the recharacterized question on the “Did You Change Your Mind?” screen
8. Answer the next questions until you get to “Any Nondeductible Contributions to Your IRA?” and select “Yes” since you had a nondeductible contributions before this tax year.
9. If you had a basis in the Traditional IRA before then enter the amount.
10. On the “Choose Not to Deduct IRA Contributions” screen choose “Yes, make part of my IRA contribution nondeductible” and enter the amount (If you have a retirement plan at work and are over the income limit it will be nondeductible automatically and you only get a screen saying $0 is deductible).

To enter the 1099-R distribution/conversion: 

1. Click on "Search" on the top right and type “1099-R”
2. Click on “Jump to 1099-R”
3. Click "Continue" and enter the information from your 1099-R
4. Answer questions until you get to “Tell us if you moved the money through a rollover or conversion” and choose “I converted some or all of it to a Roth IRA”
5. On the "Your 1099-R Entries" screen click "continue"
6. Answer "yes" to "Any nondeductible Contributions to your IRA?" if you had any nondeductible contributions in prior years.
7. Answer the questions about the basis from line 14 of your 2020 Form 8606 and the value of all traditional, SEP, and SIMPLE IRAs