I am using Ubuntu 17.10 and GNOME (shell version 3.26.2) Paper theme (entering GNOME Classic in login screen).
How do I make my dock appear when hovering on the left side of my screen? It's displayed only when pressing the super button (dock options on settings menu doesn't exist in GNOME Shell).
Ubuntu Dock is not supposed to be a part of GNOME Classic. The "dock" you see after pressing super is the GNOME dash (which is converted to a dock by "Dash to Dock" and "Ubuntu Dock").
You may try one of the following: