The IRS rules say that if one spouse has Family coverage and the other spouse has Self, then they both report it as Family coverage. This makes the calculation of the maximum annual HSA contribution limit correct.
So, yes, even though you have a Self Plan, you do the following in the HSA interview:
As for the tax due and refund, TurboTax has to defer the completion of form 8889 until the end if the HSA interview, because there are questions all the way to the end (until you return to Your Tax Breaks) that affect the calculations.
Therefore, it's not a good idea to be too concerned about the tax due or refund on every single screen, because TurboTax can't do some calculations until a number of screens later.