Deductions & credits

First of all, be sure to indicate this is a stock donation in the beginning of the interview. Since you listed where you donated this to at the beginning of the interview, TurboTax assumes this is where the DAF is distributed to. 

After you answered the question about the conditions, there's a follow-up screen like the screenshot I have included below. you would report the fair market value of the fund under Value on Date of Donation.