Yes. However, she may not need to file a return. The filing requirement for a dependent for W2 income means she would have to have earned over $6,300 before it is necessary to file a return.
Of course, if the employer withheld federal or state tax, then you would want to file a return to receive that withholding back regardless of the amount earned. You should make a separate account for her (she will almost certainly qualify for the Free Edition) as you cannot use the same online account to file two tax returns.
