Django is a web development framework for Python in the same way Rails is a framework for Ruby. It is used by a number of major web sites, including Google (i.e., for the Google Application Engine), and can make developing rich web applications much easier.
Django is not an application on its own. You will need proficiency in Python programming in order to write an application using Django.
Using Passenger with Django allows for easier Django deployment, maintainability and Django performance. View the following article to activate Passenger on your domain:
How do I enable Passenger on my domain? - https://help.dreamhost.com/hc/en-us/articles/216385637-How-do-I-enable-Passenger-on-my-domain-
You could use FCGI with Django (https://help.dreamhost.com/hc/en-us/articles/217956197-Python-FastCGI), but the configuration is much more involved and not as efficient.
Navigate to MySQL Databases (https://panel.dreamhost.com/index.cgi?tree=advanced.mysql) and create a new blank MySQL database which will only be used for your Django app.
Visit the phpMyAdmin article (https://help.dreamhost.com/hc/en-us/articles/214395638-phpMyAdmin-overview) for details on your hostname, username, and password.
The recommend way to install Django is in a Python virtual environment. View the following articles for instructions: