I have UWW+, ONR, D155 and D156 at my disposal.
The first 2 are are $5/gallon of QD, the latter 2 are $30 and $45 per gallon respectively.
For a drying aid, I use either of the first 2 simply because of cost. They seem to work well. I feel like I'm wasting the 2 more expensive ones spraying...