Yes, BLOODED is a Scrabble word!

Letter values in Scrabble US: B 3, L 1, O 1, O 1, D 2, E 1, D 2.

Is it a valid word?

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

smear with blood, as in a hunting initiation rite, where the face of a person is smeared with the blood of the kill

Also: full-blooded, full-blood.