Can I make vegan ranch dip by blending silken tofu with vegan ranch dressing?

I am severely allergic to cow's milk. I found some bottled vegan ranch dressing and I want to make vegan ranch dip for a party. Can I take the dressing and blend in some silken tofu to make it thicker? Do you think the tofu would weaken the flavors enough that I would need to add more spices? Thanks!!