Dog need to see in the dark so Chowie does to Chowie can see up to 120 feet into the darkness might come in handy if your in a  dark place.

Chowie often unintentionally taps into its horn's power which causes it to float off the ground. While in this state, Chowie moves by flailing its legs around as if it were swimming.

When ever chowie takes the help action to aid a creature in making a performance, Persuasion or Deception check that creature gains +5 to that skill check

Chowie has an advantage on perception checks that can rely on hearing.

Chowie has advantage on perception checks that rely on smell.