If a larger animal was attacking your dog..

[Grubstake]

Pepper spray away from home, Water from a garden hose at home.....

 

[Trlsmn]

Dog park? The only time it was mentioned was from a previous post that said something to the extent that fights are a risk to be taken, so it's definitely not justified there. This is completely opposite of what you are suggesting. To be more specific,

Seeing as how your OP was one line

What would you do?

Specificity isn't really a strong point here

 

[Intoodeep]

Swift kick in the back side with a size 13 boot and a possible double tap from a G-22 if I became the next victim.