[thestars]

Instead of the silk balls I feed Royal Canine to increase body weight. They absolutely love it dry and gobble it up just like they are getting a special treat.
For your little guy I'd try this; Royal Canin Mini Breed Puppy Dog (33)
Guaranteed Analysis %:
Crude Protein Minimum 33
Crude Fat Minimum 20
Moisture Maximum 10
Crude Fiber Maximum 2.6

 

[thestars]

Another good treat for weight gain is the pig ears.