Express - trying to redirect after user successfully logs in

I'm clearly not getting some core Node concept. After validating a user from the database, the database returns an object("pass_to_html"). I want to render the results of that object onto a new page that is using handlebars.

My abbreviated code from login_handler.js (the server js doing the validating and pushing and pulling from the database):

function getTheeToDashboard(pass_to_html){
  app.post('/dashboard',function(req,res, next){
    res.redirect('/dashboard')
    res.render('dashboard', {view: dashboard, trainer_name: pass_to_html.trainer_data.trainer});
  })
}

from dashboard.js

router.get('/', function(req, res, next) {
res.render('dashboard')
});

from app.js:

app.use('/dashboard', dashboard);

from dashboard.hbs:

<h1> Welcome  ! </h1>

I don't get any errors, but clearly the app.htmlVerb does not engage. I've tried app.get, app.put and app.post.

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