That could be a ratings booster. But her voice is a deadly weapon, so I don’t think the Secret Service would allow it!
If we had a primary system, like many countries do...a third party might do better. It would take a while for it to work though...
In most countries, a primary system consists of all parties. Once the primary is decided, unless the winner wins above 50% of vote, the top two voters advance to the finals. This eliminates the potential of third party spoilers in the finals, but gives motivation of voters to vote 3rd party in the primaries....