How to use params for user dashboard in rails

I have a question about the params:

How to filter the display of each user in my controller.

in my model

user.rb: has_many: questions

question.rb belongs_to: user

controller:

` skip_before_action :authenticate_user!, only: [ :new ] before_action :find_question, only: [:show, :edit, :update, :destroy]

def index
    @questions = Questions.all
end

private

def find_question
    @question = Question.find(params[:id])
end`