Happy Thanksgiving to you too! I'm new to this group and just noticed from your pictures that Sasha looks a lot like my dog Sadie, and when I read her web site they seem to behave alike too! Sadie will only chase other dogs fetching balls and never cared much for treats or toys. She recently found a new way to be involved with our neighbor's dog who is ADDICTED to playing catch - she steals his ball when he drops it for me, then takes off and buries it.
Here's a young picture of her:

and a recent one, with the now gray snout and dirt on her nose from burying a bone