At the vast majority of levels you’d have a choice of 3-4 dungeons, so yeah, they were a lot better in the original.
https://warcraft.wiki.gg/index.php?title=Dungeon_Finder&oldid=3963187#Dungeon_finder_instance_breakdown
Here are the original level ranges, credit to this post RDF missing dungeons? - #39 by Impsie-atiesh