I would say if you use regular yogurt, it would be too loose, but perhaps you could experiment by adding more rice flour or arrowroot powder or using more eggs. (innerharmonynutrition.com)
I had to add about a cup more rice flour to the dough mix but I think it was because I couldn't get the water out of the cauliflower properly. (deliciouslyella.com)
Flatten each piece into a small disk using a little more rice flour, if needed. (glutenfreeandmore.com)