Need some genuine advice from Residents !

I'm planning for a 6D trip to the beautiful Kashmir along with my family during mid of October.

Would love to get some advice from you amazing people.

Currently planning for Srinagar, Gulmarg, Sonmarg, Pahalgam, Doodhpatri during those days

1. Is mid October ok for travel?

2. Which place I should not miss ?

3. Any other place I can switch to from current list ?

4. Which place can I drop from above list ?

5. Must try food item and restaurant name

6. Any other advice/ recommendations