Related posts usng ACF post object

related posts.php

        <?php if( have_rows('similar_projects_chooser') ): ?>
            <div class="similar_projects_wrapper">
                <ul class="similar_projects_list">
                <?php while( have_rows('similar_projects_chooser') ): the_row(); ?>
                    <?php 
                        global $post;
                        $similar = get_sub_field('similar_project');
                        $post = $similar;
                        setup_postdata( $post );
                    ?>
                    <li>
                        <?php get_template_part('templates/content', 'portfolio'); ?>
                    </li>
                <?php wp_reset_postdata();  endwhile; ?>
                </ul>
            </div>
        <?php endif; ?>