Yes, DANDERS is a Scrabble word!

Letter values in Scrabble US: D 2, A 1, N 1, D 2, E 1, R 1, S 1.

Is it a valid word?

DANDERS is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

small scales from animal skins or hair or bird feathers that can cause allergic reactions in some people
a feeling of anger and animosity