I found two ways to do this:
1. Use "Publish to Web" and allow everyone on intenet to see it. (not what I want)
2. Create and share a content pack, and that gives an option to share with "everyone in organization".
Is there a way to share a dashboard with everyone in organization without creating a content pack? I am able to share it with certain groups in the org, but can't seem to find a way to do this for everyone in org.