" Ruby,Ruby when will you be mine" Remember the song- showing my age here :) , this a wonderful profile and I like the editing kteach did to bring out the dark parts- very good .
What an adorable portrait! She seems so patient for a little pup! If you haven't looked at this tutorial "Move the Light" by idnic, I think it might help to bring out the dark parts of Ruby's nose a bit. You could use a few layers of it too, just removing parts you don't want affected. Here is a quick edit that I did... hope you don't mind!