You can add her as a dependent on your 2022 tax return but the tax return can only be printed and mailed, it cannot be e-filed. If she amended her return to include that she can be claimed as a dependent then you will receive the Other Dependent credit on your return which is $500 since she is age 17 in 2022.
See this TurboTax support FAQ for how to print and mail a tax return when using the online editions - https://ttlc.intuit.com/turbotax-support/en-us/help-article/printers-printing/print-mail-return-turb...
