widgets custom theme

I created my own theme based on the blankslate theme and using WordPress locally on my computer. I’m trying to 2 sidebars to my webpage one that is in all the inner pages and one that is per page. I used widgets to do this because it has to be user friendly for client who doesn’t know html code.
For the first sidebar I used the default widgets I renamed the widgets in functions.php then I added the second widgets

register_sidebar( array (
'name' => __( 'Main Sidebar  (for all inner pages)', 'blankslate' ),
'id' => 'primary-widget-area',
'before_widget' => '<li id="%1$s" class="widget-container %2$s">',
'after_widget' => "",
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
register_sidebar( array (
'name' => __( 'Attorneys ', 'blankslate' ),
'id' => 'primary-widget-area3',
'before_widget' => '<div id="primary" class="widget-area2"><li id="%1$s" class="widget-container2 %2$s">',
'after_widget' => "",
'before_title' => '<h3 class="widget-title2">',
'after_title' => '</h3>',
) );
}
Then I changed I moved the sidebar just below the header in page.php
<?php get_header(); ?>
<section id="content" role="main">
<?php if ( have_posts() ) : while ( have_posts() ) : the_post(); ?>
<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
<header class="header">
</header>
<?php dynamic_sidebar('primary-widget-area2'); ?>
</div>
<?php get_sidebar(); ?>
<section class="entry-content">
<?php if ( has_post_thumbnail() ) { the_post_thumbnail(); } ?>
<?php the_content(); ?>
<div class="entry-links"><?php wp_link_pages(); ?></div>
</section>
</article>
<?php if ( ! post_password_required() ) comments_template( '', true ); ?>
<?php endwhile; endif; ?>
</section>
<?php get_footer(); ?>

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This works but I have to add a widget and a page template for each inner sidebar for all each page in WordPress because the inner sidebar is page specific.
Also if I add another widgets to the inner sidebar it messes up the main content inside the webpage.
I really don’t know php code so you need to explain what that code does.
Is there a better way to do this?