Sophie's original thread was getting too confusing...here's a list of all the hints together so far...
Hints:
1. girl
2. older than Sophie
3. lives in a state colder than where we live
4. she has one yorkie sibling, another girl
5. 1st picture below
6. 2nd picture below
7. φύλακας
8. almost exactly the same size as Sophie’s sister Maddie