She sounds so very terrier-y! I love independent, so I read your posts thinking awwww.... Are they all terrier-like in their behavior? It sounds like some are, and some aren't. I have read varying opinions.
 
The squeak toy works best around here too (so does the clicker), but no yorkie yet. It will be interesting to see what piques his interest most. I am told it is toys so far. 
My big dog would pay attention to me every second, of every day, if I could only carry the cat around 24/7. The cat is his favorite thing, we argue over who the cat belongs to 

 The medium sized dog would sell her soul for the wild rabbits.