Yes, MINUETS is a Scrabble word!

Letter values in Scrabble US: M 3, I 1, N 1, U 1, E 1, T 1, S 1.

Is it a valid word?

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

a stately court dance in the 17th century
a stately piece of music composed for dancing the minuet; often incorporated into a sonata or suite