As per your wish if you want to go to dudipatsar lake contact naveed he is owner of paramount Adventure nice guy he will tell about any other family group if it's going he also arrange everything for you his contact number is
+92 336 9879979
My advice just pass one or two days in skardu go to Hunza there are lot of places worth seeing
If you are not going to dudipatsar lake then go for Fairymeadows
If time permits visit khunjerab pass