Dwarf Resilience (UA: Feats for Races)

Prerequisite: Dwarf
You inherited the might and majesty of your dragon ancestors. You gain the following benefits:
• Increase your Constitution score by 1, up to a maximum of 20.
• Whenever you take the Dodge action in combat, you can spend one Hit Die to heal yourself. Roll the die, add your Constitution modifier, and regain a number of hit points equal to the total (minimum of 1).