$ cat main.yml
---
- name: playbook1
  hosts: localhost
  vars:
    test_var:
      foo: 1
      bar: 2
      baz: "ligne quoted and with \r\n"
  tasks:
    - template:
        src: test.yml.j2
        dest: "{{ playbook_dir }}/test_1.yml"
...

$ cat templates/test.yml.j2
---
{% for k in test_var.keys() %}
{{ k }}: {{ test_var[k] }}
{% endfor %}
...

$ cat test_1.yml
---
bar: 2
foo: 1
baz: ligne quoted and with

...

Expected:
$ cat test_1.yml
---
bar: 2
foo: 1
baz: "ligne quoted and with \r\n"
...