What about the right ear in Leviticus?

An online friend sent a couple theology questions looking for biblical answers. Here is the answer I sent to one of them:

Have you seen the facebook posts quoting Leviticus about the significance of the right ear? What are your thoughts about that?

— I haven’t seen any of those posts, so I’m not aware of what in particular they say. But the one passage I can find in Leviticus that speaks about the right ear is one giving instructions on the sacrifice to consecrate the priests, beginning with Aaron and his sons who will serve as priests (in the Old Testament covenant of law with Israel.) Part of the instructions to sanctify the priests for service involves taking some of the blood from the sacrifice and putting it on the priest’s right ear, right thumb, and the big toe of the right foot. Then the rest of the blood is to be on the altar. This would set apart the priests for their priestly duties before the Lord’s altar, and I think that the three body parts cleansed with the blood are on the right because that symbolizes the favored side for serving. The right ear prepared the priest to hear God’s commandments, promises, and guidance. The thumb on the right hand prepared the priest to worship and serve the Lord with his work/actions. And the blood on the toe of the right foot prepared him to go wherever he was told to by the Lord.

Jesus, of course, fulfilled all of these things and every other priestly duty, as our Great High Priest, and as the Mediator of a new greater covenant. (Hebrews 4 and 8 for examples). With the ear, He listened to the Father before speaking on earth to us. (See John 12:49 for example) With His right hand, He served and obeyed the Father, completing the work He was sent to do. (See John 17:4 for example) With His foot, He went where He was sent by the Holy Spirit. (See Matthew 4:1 for example).