Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 7 (1d10 + 2) piercing damage plus 2 (1d4) acid damage.
Acid Breath (Recharge 5-6). The dragon exhales acid in a 15-foot line that is 5 feet wide. Each creature in that line must make a DC 11 Dexterity saving throw, taking 22 (5d8) acid damage on a failed save, or half as much damage on a successful one.
RollQuest summary Senses: blindsight 10 ft., darkvision 60 ft., passive Perception 14. Languages: Draconic. Saving throws: Dex +4, Con +3, Wis +2, Cha +3. Skills: Perception +4, Stealth +4. Speed: 30 ft., fly 60 ft., swim 30 ft.
RollQuest ships the D&D 2014 SRD as a content pack, on a 5e character sheet that does the maths - roll from the sheet and let the numbers work themselves out. Free to start.